I spotted the Pretzel Jetzel, the “Jet-Age Pretzel Making Toy,” at Antiques On Second in Milwaukee.
This food making toy from Transogram combines the appeal of the Easy Bake Oven with some of the mold-making fun of Creepy Crawlers.
Additional images: Transogram ad from a comic book, via kenyatabks. Box and toy, via Time Warp Toys.